FR2939210B1 - Module de reglage dynamique de la longueur d'un chemin optique, chariot, capteur optique et dispositif de numerisation multifonctions equipes d'au moins un module tel que precite - Google Patents

Module de reglage dynamique de la longueur d'un chemin optique, chariot, capteur optique et dispositif de numerisation multifonctions equipes d'au moins un module tel que precite

Info

Publication number
FR2939210B1
FR2939210B1 FR0806773A FR0806773A FR2939210B1 FR 2939210 B1 FR2939210 B1 FR 2939210B1 FR 0806773 A FR0806773 A FR 0806773A FR 0806773 A FR0806773 A FR 0806773A FR 2939210 B1 FR2939210 B1 FR 2939210B1
Authority
FR
France
Prior art keywords
module
trolley
length
preferred
scanning device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0806773A
Other languages
English (en)
Other versions
FR2939210A1 (fr
Inventor
Nicolas Imbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagemcom Documents SAS
Original Assignee
Sagem Communications SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sagem Communications SAS filed Critical Sagem Communications SAS
Priority to FR0806773A priority Critical patent/FR2939210B1/fr
Priority to EP09290873A priority patent/EP2194701A3/fr
Publication of FR2939210A1 publication Critical patent/FR2939210A1/fr
Application granted granted Critical
Publication of FR2939210B1 publication Critical patent/FR2939210B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H04N1/0301—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array using a bent optical path between the scanned line and the photodetector array, e.g. a folded optical path
    • H04N1/0305—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array using a bent optical path between the scanned line and the photodetector array, e.g. a folded optical path with multiple folds of the optical path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H04N1/0308—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array characterised by the design of the photodetectors, e.g. shape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/042—Details of the method used
    • H04N1/0423—Switching between or selecting from a plurality of optical paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/042—Details of the method used
    • H04N1/044—Tilting an optical element, e.g. a refractive plate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0418—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 capable of scanning transmissive and reflective originals at a single scanning station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04748—Detection of scanning velocity or position by detecting synchronisation signals or driving signals, e.g. page sync
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04755—Control or error compensation of scanning position or velocity by controlling the position or movement of a scanning element or carriage, e.g. of a polygonal mirror, of a drive motor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04794—Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
FR0806773A 2008-12-03 2008-12-03 Module de reglage dynamique de la longueur d'un chemin optique, chariot, capteur optique et dispositif de numerisation multifonctions equipes d'au moins un module tel que precite Expired - Fee Related FR2939210B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0806773A FR2939210B1 (fr) 2008-12-03 2008-12-03 Module de reglage dynamique de la longueur d'un chemin optique, chariot, capteur optique et dispositif de numerisation multifonctions equipes d'au moins un module tel que precite
EP09290873A EP2194701A3 (fr) 2008-12-03 2009-11-19 Module de réglage dynamique de la longueur d'un chemin optique, chariot, capteur optique et dispositif de numérisation multifonctions équipés d'au moins un module tel que précité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0806773A FR2939210B1 (fr) 2008-12-03 2008-12-03 Module de reglage dynamique de la longueur d'un chemin optique, chariot, capteur optique et dispositif de numerisation multifonctions equipes d'au moins un module tel que precite

Publications (2)

Publication Number Publication Date
FR2939210A1 FR2939210A1 (fr) 2010-06-04
FR2939210B1 true FR2939210B1 (fr) 2011-04-22

Family

ID=40848040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0806773A Expired - Fee Related FR2939210B1 (fr) 2008-12-03 2008-12-03 Module de reglage dynamique de la longueur d'un chemin optique, chariot, capteur optique et dispositif de numerisation multifonctions equipes d'au moins un module tel que precite

Country Status (2)

Country Link
EP (1) EP2194701A3 (fr)
FR (1) FR2939210B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140443A (en) * 1989-07-25 1992-08-18 Victor Company Of Japan, Ltd. Image scanning apparatus
JP3118016B2 (ja) * 1990-07-06 2000-12-18 株式会社リコー 画像読み取り装置
EP0713322B1 (fr) * 1994-11-17 2002-03-06 Nikon Corporation Dispositif d'entrée d'image
US5966221A (en) * 1995-06-29 1999-10-12 Agfa Corporation Single lamp illumination system for a dual plane flat-bed scanner
JP4395951B2 (ja) * 2000-01-13 2010-01-13 コニカミノルタホールディングス株式会社 画像読取装置、およびそれを用いた画像形成装置
JP2006115137A (ja) * 2004-10-13 2006-04-27 Nec Access Technica Ltd 画像読取装置及び該画像読取装置における変倍方法

Also Published As

Publication number Publication date
FR2939210A1 (fr) 2010-06-04
EP2194701A2 (fr) 2010-06-09
EP2194701A3 (fr) 2011-12-21

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Owner name: SAGEMCOM DOCUMENTS SAS, FR

Effective date: 20111005

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